1. The problem statement, all variables and given/known data A converging lens with a 50.0 mm focal length is used to focus an image of a very distant scene onto a flat screen 37.0 mm wide. What is the angular width of the scene included in the image on the screen? 2. Relevant equations 3. The attempt at a solution Basically I just did tan-1(37/50) = 36.5 What are I doing wrong?